Individual provider Active NPI

Samuel Ray Kosydar, MD

  • Internal Medicine Physician
  • Bethesda, MD
National Provider Identifier
1619614369
Registry record updated Sep 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD600003583 Issued in DC
Practice address
Clinical Center 10 Center Drive Building 10
Bethesda, MD 20892-0001
Phone
(301) 496-4000
NPI assigned
May 15, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD600003583 DC Primary

Addresses

Primary practice location

Clinical Center 10 Center Drive Building 10
Bethesda, MD 20892-0001

Mailing address

Clinical Center 10 Center Drive Building 10
Bethesda, MD 20892-0001

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230810001478 MN Practitioner - Internal Medicine 0840671541 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
32615MNMDInternal Medicine Physician
74771MNMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic CurrentSince Jul 11, 2023 Accepting new patients
Mayo Clinic Current Accepting new patients
Mayo Clinic CurrentSince Jul 11, 2023 Accepting new patients

Locations

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1652572800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789257600000",
    "number": "1619614369",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "CLINICAL CENTER 10 CENTER DRIVE BUILDING 10",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208920001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "CLINICAL CENTER 10 CENTER DRIVE BUILDING 10",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208920001",
            "telephone_number": "301-496-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOSYDAR",
        "first_name": "SAMUEL",
        "middle_name": "RAY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-05-15",
        "last_updated": "2026-09-13",
        "certification_date": "2026-09-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "DC",
            "license": "MD600003583",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bethesda, MD

Sources for this page

Verify at the official NPI Registry.